Author Topic: My 76 CB 550 Four Project (Bobber)  (Read 13111 times)

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Headshok88

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My 76 CB 550 Four Project (Bobber)
« on: May 24, 2010, 06:44:29 AM »
Well here is what I have done so far:

Day one, just got the bike home.  Some work to make a bobber had already started before I got the bike.
Solid struts, Z-bars, Sportster tank.

Here is how it looked:




Next I wanted to do a true hard tail instead of the struts.  I cut off the rest of the rear frame section and started mocking it up.








I mounted all the wiring into a sealed box that I can hide under the seat.

I didn't care for the high Z-bars.  I like a lower look.  I lowered the rear about 2" so I dropped the front 1.5" and made a set of clip-ons.







I finished with the seat mount and fender mount.  Everything is tacked up and ready for some finish welding.







I am focusing on getting the bike ridable for the summer then this fall starting on a complete tear-down, clean-up and rebuild.
« Last Edit: May 26, 2010, 11:21:09 AM by Headshok88 »

Offline 75cb550 (kyle)

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Re: My 76 CB 550 Four Project
« Reply #1 on: May 24, 2010, 08:54:09 AM »
i'm a fan....


Offline 75cb550 (kyle)

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Re: My 76 CB 550 Four Project
« Reply #2 on: May 24, 2010, 09:25:26 AM »
what are you doing with the kill switch? is that just a throttle cable issue?

Headshok88

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Re: My 76 CB 550 Four Project
« Reply #3 on: May 24, 2010, 10:33:58 AM »
Yeah, the cables needed to be run higher to avoid the headlight.  The starter button is broken anyway, I added a hidden push button start.

Offline 75cb550 (kyle)

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Re: My 76 CB 550 Four Project
« Reply #4 on: May 24, 2010, 10:39:00 AM »
kool... bike looks killer...
and welcome to the forum

Headshok88

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Re: My 76 CB 550 Four Project
« Reply #5 on: May 24, 2010, 10:41:53 AM »
Thanks.

More to come over the next few weeks and months. ;D

Headshok88

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Re: My 76 CB 550 Four Project
« Reply #6 on: May 25, 2010, 07:22:44 AM »
I am messing around with some options for the air filters.

What do you guys think?



« Last Edit: May 25, 2010, 07:25:13 AM by Headshok88 »

Offline 75cb550 (kyle)

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Re: My 76 CB 550 Four Project
« Reply #7 on: May 25, 2010, 07:32:06 AM »
that could work... depends on where you sit on that beast. i think my knees would be covering that up.

Headshok88

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Re: My 76 CB 550 Four Project
« Reply #8 on: May 25, 2010, 09:52:25 AM »
My knees are right next to it.  It shouldn't cut off any air flow.

Offline Flying J

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Re: My 76 CB 550 Four Project
« Reply #9 on: May 25, 2010, 10:10:18 AM »
I was worried when i saw the first pics but your bike turned out great. I like it!

Headshok88

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Re: My 76 CB 550 Four Project
« Reply #10 on: May 25, 2010, 11:30:59 AM »
I was worried when i saw the first pics but your bike turned out great. I like it!

Thanks, still a lot to do!

Offline captaincrash80

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Re: My 76 CB 550 Four Project
« Reply #11 on: May 25, 2010, 12:16:41 PM »
I like where this is headed. I'll be keeping my eye on it.

Offline njcafe84

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Re: My 76 CB 550 Four Project
« Reply #12 on: May 25, 2010, 04:12:49 PM »
Looks great. I like it a lot. What mirrors are those? I might want to order a set

Offline captaincrash80

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Re: My 76 CB 550 Four Project
« Reply #13 on: May 25, 2010, 05:14:12 PM »
How are you clamping down your clipons?

Headshok88

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Re: My 76 CB 550 Four Project
« Reply #14 on: May 26, 2010, 05:08:40 AM »
How are you clamping down your clipons?

I am using 4 M8 set screws per clip-on.

Headshok88

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Re: My 76 CB 550 Four Project
« Reply #15 on: May 26, 2010, 05:18:33 AM »
Did a little more work last night, not a lot tho.

Got the polishing wheel out and cleaned up some of the aluminum parts on the engine.

Tappet covers, carb cap & side cap.  You can really see the before and after on the tappet covers.





Also fitted the air filters after painting the PVC i used for the intake tubes.



Headshok88

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Re: My 76 CB 550 Four Project
« Reply #16 on: May 26, 2010, 05:23:55 AM »
Looks great. I like it a lot. What mirrors are those? I might want to order a set

I'm really not sure what mirrors they are.  They can with the bike when I got it.  I will see if I can find out tho.

Offline 75cb550 (kyle)

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Re: My 76 CB 550 Four Project
« Reply #17 on: May 26, 2010, 06:25:24 AM »
looks good... cleaner than mine

Headshok88

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Re: My 76 CB 550 Four Project
« Reply #18 on: May 26, 2010, 06:56:37 AM »
I'm debating what to do about the spokes.  They are pretty rusty.  I either want to get the whole wheel powder coated or replace all the spokes with new ones.  It would be easier to get the wheels coated (maybe a satin black).

Headshok88

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Re: My 76 CB 550 Four Project
« Reply #19 on: May 26, 2010, 07:10:35 AM »
By the way.  I have a pile of stock parts that came off of this bike if anyone needs something let me know.  I will be sorting thu it and posting it for sale here and on Ebay sometime.

Seat
Tank
Fenders
Tail light
Side covers
Turn signals
Mirrors
Chain guard
Grab bar
Luggage rack
« Last Edit: May 26, 2010, 08:33:29 AM by Headshok88 »

Headshok88

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Re: My 76 CB 550 Four Project (Bobber)
« Reply #20 on: June 01, 2010, 04:47:16 AM »
Not much new to report.  Took the weekemd off for some R&R.

I will get the final welding done this weekend and should have this thing on the road next week. ;D

Headshok88

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Re: My 76 CB 550 Four Project
« Reply #21 on: June 01, 2010, 10:56:12 AM »
Looks great. I like it a lot. What mirrors are those? I might want to order a set

I found the mirrors here:
http://www.jcwhitney.com/billet-look-mirrors/p2002207.jcwx

Headshok88

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Re: My 76 CB 550 Four Project (Bobber)
« Reply #22 on: June 07, 2010, 06:03:18 AM »
OK.  I pretty much have the bike all together.

Welding!



Painting the rear end and wiring up all the lights.





All back together.





I have one thing left to do.  Tune the engine.  I have high flow air filters and 4 single straight pipes.  The carbs have not been jetted and the engine is running very lean.  Does any one have any suggestions on how to jet the carbs?  Could I just restrict the intake or would I need to baffle the exhaust too?
« Last Edit: June 07, 2010, 06:16:45 AM by Headshok88 »

Offline captaincrash80

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Re: My 76 CB 550 Four Project (Bobber)
« Reply #23 on: June 07, 2010, 07:44:59 AM »
Love the way it's looking man  ;D

Offline Flying J

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Re: My 76 CB 550 Four Project (Bobber)
« Reply #24 on: June 07, 2010, 07:58:40 AM »
Re- jet is what you need to do. What are you running right now? My guess is take your jet size and add 15-20. Just what i would do. but im sure sombody with a little more experience might chime in.